diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 2b4783c3c..e14db272f 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2012-01-09  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>
+
+	* libc/include/sys/unistd.h [__CYGWIN__] (get_current_dir_name):
+	Declare.
+
 2012-01-09  Yaakov Selkowitz  <yselkowitz@users.sourceforge.net>
 
 	* libc/include/complex.h: Fix "/*" within comment warning.
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 900faa7bf..6bae77483 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -71,6 +71,9 @@ pid_t   _EXFUN(fork, (void ));
 long    _EXFUN(fpathconf, (int __fd, int __name ));
 int     _EXFUN(fsync, (int __fd));
 int     _EXFUN(fdatasync, (int __fd));
+#if defined(__CYGWIN__)
+char *  _EXFUN(get_current_dir_name, (void));
+#endif
 char *  _EXFUN(getcwd, (char *__buf, size_t __size ));
 #if defined(__CYGWIN__)
 int	_EXFUN(getdomainname ,(char *__name, size_t __len));